Chuck Hughey braves security lines at Pittsburgh International Airport at least once a week. Not to catch a flight, but to get an ice cream cone or cruise a few of the concourses. Is he nuts? Not at all, he will tell you, just a doting grandfather. He and 3-year-old Cleo spend quality time there, riding the trams between terminals and gliding along the moving walkways. “It’s so convenient, so sa
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